Don't forget also that if you clicked no to the licence downlding & chose to always use that answer, then see Revert Popups to Default

That's a point I was slow to recognise being a problem for some people.

If generally you're having problems it might be wise to keep up with the latest versions (eg: beta versions.) But all the same, feel free to vote in my poll here Should LW 4.8.1/2 still be made available for those with problems (click on link). Not that it'll make any difference to the time of day but. lol